The Study of Rivers Pierre Julien Spring 2001 Objective n Review of Stan Schumm’s top five...
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The Study of Rivers Pierre Julien Spring 2001
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The Study of Rivers
Pierre Julien
Spring 2001
Objective
Review of Stan Schumm’s top five earth-shattering contributions to the field of fluvial geomorphology.
#1 Drainage Basin Evolution
Rainfall-erosion facility
Bottom up approach to channel evolution
Also known as Stan’s nursery
Drainage Basin Evolution
#2 Planform Geometry
Stan’s Experiments on River Meandering
Stan’s Experiments on River Braiding
#3 Nickpoints and Headcuts
Nickpoint
Headcut
Gold pan?
Stan has been looking for gold for quite a long time
#4 Placer Mining
Stan studied placers and his books reveal where gold could be found in alluvial deposits.
His secret: “Placers can be found at any location within a valley from the top of the divide to the bedrock base of the valley fill” Schumm, The Fluvial System, p. 221.
#5 Threshold Concept
Threshold
“Pair of Dime” of Schumm’s Threshold Concept
Stan’s Gold Quest
TimeStan’s retirement
Expected threshold
Post-CSU reality
Schumm’s “pair of ducks”
Stan’s Retirement Objectives
Stay on the fast track. Keep looking for gold. Enjoy life.
Stay on the fast track
Ferrari’s race-winning secret
Schummi is # 1
